cinelerra-5.1/cinelerra/cplayback.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "arender.h"
  23 #include "audiodevice.h"
  24 #include "cplayback.h"
  25 #include "ctracking.h"
  26 #include "cwindow.h"
  27 #include "cwindowgui.h"
  28 #include "edl.h"
  29 #include "edlsession.h"
  30 #include "mwindow.h"
  31 #include "mwindowgui.h"
  32 #include "playtransport.h"
  33 #include "renderengine.h"
  34 #include "trackcanvas.h"
  35 #include "transportque.h"
  36
  37 // Playback engine for composite window
  38
  39 CPlayback::CPlayback(MWindow *mwindow, CWindow *cwindow, Canvas *output)
  40  : PlaybackEngine(mwindow, output)
  41 {
  42         this->cwindow = cwindow;
  43 }
  44
  45 int CPlayback::create_render_engine()
  46 {
  47         return PlaybackEngine::create_render_engine();
  48 }
  49
  50 void CPlayback::init_cursor(int active)
  51 {
  52         mwindow->gui->lock_window("CPlayback::init_cursor");
  53         mwindow->gui->deactivate_timeline();
  54         mwindow->gui->unlock_window();
  55         cwindow->playback_cursor->start_playback(tracking_position, active);
  56 }
  57
  58 void CPlayback::init_meters()
  59 {
  60         AudioDevice *audio = render_engine->audio;
  61         int dmix = audio && (audio->get_idmix() || audio->get_odmix());
  62         cwindow->gui->meters->init_meters(dmix);
  63 }
  64
  65 void CPlayback::stop_cursor()
  66 {
  67         cwindow->playback_cursor->stop_playback();
  68 }
  69
  70
  71 int CPlayback::brender_available(long position)
  72 {
  73         return mwindow->brender_available(position);
  74 }